Question

Create a new project. Write a StringMethods class according to the
attached specification:

Constructor Detail
StringMethods

public StringMethods()

Method Detail
isAllLetters

public static boolean isAllLetters(String s)

Method to determine if a string is all letters

Parameters:
s - the String to test
Returns:
true if all letters; false otherwise. An empty String is not all
letters.

reverseName

public static String reverseName(String name)

Method to reverse the parts of a name

Parameters:
name - in firstname lastname format
Returns:
name in lastname,firstname format
Throws:
IllegalArgumentException - if name does not have firstname and
lastname.
IllegalArgumentException - if the names are not all letters